/Engine/Source/Runtime/Engine/Classes/Engine/CloudStorageBase.h
Once a document has been read in, use this to return a string representing the entire document. This should only be used if SaveDocumentWithString was used to generate the document.
The object deserialized from the document. It will be none if anything went wrongs.
virtual [UObject](API\Runtime\CoreUObject\UObject\UObject) * ParseDocumentAsObject ( int32 Index, [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< class [UObject](API\Runtime\CoreUObject\UObject\UObject) > ObjectClass, int32 ExpectedVersion, bool bIsForConflict )